Postdoctoral researcher in hydrogel acoustic metamaterials

Job description For the 1 postdoc position starting between 2026 fall and 2027 spring , we are seeking a candidate with experience in microfluidics, microfabrication, stimulus-responsive hydrogels , ultrasonics and acoustic metamaterials (acoustic crystals) . The candidate should have solid experience in the development of hydrogel acoustic metamaterials . We also welcome and can host candidates to apply for MSCA Postdoctoral Fellowships 2026/2027 . Group leader and Research mission : Prof. Yujia Zhang At the Laboratory for Bio-Iontronics ( BION ) , our mission is to make bioiontronic systems for biointerfaces and hybrid intelligent systems. To that end, we are interested in developing droplet-based iontronic systems, termed dropletronics , with key functions of embodied energy, logic control, stimulus responsiveness, and therapeutic delivery, enabling interactive communication with biology. Profile PhD in materials science, microengineering, or bioengineering; Experience with polymer characterisation and ultrasonics is required; More than 2 peer-reviewed publications ; Prior experience in cleanroom manufacturing and iontronics is a plus ; Strong experimental skills and a practical and hands-on mindset; High level of motivation for interdisciplinary academic research; Independent, self-driven, creative, solution-oriented, open-minded, team-player, and collaborative; Fluency in English (French is a plus); Enthusiasm in sports is a plus. Main duties and responsibilities As a postdoc, you will be expected to: Have full responsibility for your own research; Research in close collaboration with other lab members and international collaborators; Experiment design and execution; Analyse and interpret experimental results; Write scientific articles for publication in peer-reviewed journals; Present at international conferences; Supervise student projects and basic administrative support. We offer Term of employment: 1-year fixed-term contract (CDD), renewable Competitive remuneration; International collaboration and visiting opportunities; EPFL is an international and world-class engineering institution that hosts state-of-the-art experimental facilities and a rich and vibrant scientific and entrepreneurial community. Information Only applications submitted through the online platform are considered . Please apply by uploading a single PDF file that contains supporting information, including: Motivation Letter Detailed CV At least 3 references willing to write recommendation letters and their contact information Application deadline: 25 September 2026 Contract Earliest Start Date: late 2026, flexible Activity Rate: 100% Contract Type: CDD Reference: 2356